[Bug 275470] Kernel Panic in IPFW when adding entries to table

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275470

Eugene Perevyazko <john@dnepro.net> changed:

           What    |Removed                     |Added
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                 CC|                            |john@dnepro.net

--- Comment #1 from Eugene Perevyazko <john@dnepro.net> ---
Skipping the problem of kernel panic itself I'd like to propose a workaround
for your script:

TMPFILE=`mktemp -t tbl53` || exit 1
awk '/^[0-9]/ && !/127.0.0/ {print "table 53 add "$1}'
/tmp/dnsbl/dnsbl-1.uceprotect.net > $TMPFILE
ipfw -q $TMPFILE
rm $TMPFILE

It also should be much faster and lighter on CPU.
for example it takes less than a second of wall time on ancient core2:
# ipfw table 53 flush
# ipfw table 53 list | wc
       0       0       0
# time ipfw -q /tmp/tbl53.0kfeoXCu 
0.179u 0.242s 0:00.42 97.6%     158+184k 0+0io 0pf+0w
# ipfw table 53 list | wc
   65698  131396 1278284

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